augknt.m

演示matlab曲线拟和与插直的基本方法

% AUGKNT   愡揰楍偺憹壛
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% AUGKNT(KNOTS,K) 偼丄嵟弶偲嵟屻偵懡廳搙偑 K 偺愡揰傪傕偪丄彫偝偄弴偵
% 攝抲偝傟偨憹壛偟偨愡揰楍傪弌椡偟傑偡(偙傟偼丄幚嵺偵偼愡揰楍偑抁偔側傞
% 偙偲傕偁傝傑偡)
%
% [AUGKNOT,ADDL] = AUGKNT(KNOTS,K) 偼丄嵍懁偵捛壛偝傟偨愡揰偺屄悢傕
% 弌椡偟傑偡(偙偺屄悢偼丄晧偺応崌傕偁傝傑偡)丅
%
% AUGKNOT = AUGKNT(KNOTS,K,MULTS) 偼丄枛抂偺愡揰偑K廳偱偁傝丄撪懁偺
% 奺愡揰偑MULT夞孞傝曉偝傟偨愡揰楍傪曉偟傑偡丅傕偟丄撪懁偺愡揰悢偲
% 儀僋僩儖 MULTS 偑摨偠梫慺悢傪傕偮応崌丄KNOTS 偺j斣栚(楍撪偱偺弴彉)偺
% 愡揰偑MULT(j)夞孞傝曉偝傟傞偙偲偵側傝傑偡丅偦偆偱側偗傟偽丄摨堦偺
% 懡廳搙偲偟偰 MULTS(1) 偑巊傢傟傑偡丅偙偺僨僼僅儖僩抣偼1偱偡丅
% KNOTS 偺撪懁偺愡揰楍偑丄尩枾側堄枴偱憹壛偟偰偄傞側傜偽丄愡揰楍 AUGKNOT 
% 傪傕偮師悢 K 偺僗僾儔僀儞偑丄偡傋偰偺 j 偵偮偄偰丄j斣栚偺撪懁偺僽儗乕僋
% 億僀儞僩偵搉偭偰K-MULTS(j)屄偺暯妸壔忦審傪枮偨偡偙偲偑曐徹偝傟傑偡丅
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% 偨偲偊偽丄僗僥乕僩儊儞僩
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%      ch = spapi(augknt(x,4,2),[x x], [y dy]);
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% 偼丄嬫暘揑僉儏乕價僢僋僄儖儈乕僩曗娫傪嶌惉偟傑偡丅偡側傢偪丄(x偑尩枾偵
% 憹壛偡傞偲壖掕偡傞偲)偡傋偰偺i偵偮偄偰丄ch 偺拞偺娭悢 s 偼丄
% s(x(i)) = y(i), (Ds)(x(i)) = dy(i) 傪枮偨偟傑偡丅
%
% 嶲峫 SPALLDEM.


%   Copyright 1987-2004 C. de Boor and The MathWorks, Inc.